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Observational Astronomy

Telescope Technology Data Analysis Data Collection Telescope Observations NASA High-Resolution Imaging ALMA Sky Surveys Hubble Space Telescope Dark Energy Spectroscopic Instrument

Webb and Hubble Show Massive Star Clusters Break Free Faster

The finding offers a new yardstick for models of how stars shape galaxies.

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JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

Most Luminous Black-Hole Flare on Record Traced to Star Torn Apart 10 Billion Light-Years Away

Inouye Solar Telescope Resolves Solar Flare Loops as Thin as 21 Kilometers

Nature Study Reveals Rare Supernova That Exposed a Star’s Inner Layers

Brightest Fast Radio Burst Traced to 13-Parsec Region in Galaxy NGC 4141

Spacecraft Observations Sought as Loeb Raises Nuclear-Powered Theory for Interstellar Object 3I/ATLAS

First Frontal VLBA Image of Blazar PKS 1424+240 Reveals Ring-Shaped Magnetic Field

Saturn-Sized Exoplanet Orbits Record-Low Mass Star, Challenging Formation Theories

Cona Adaptive Optics Reveals Hidden Dynamics in Sun’s Corona

New Solar Telescope Instrument Captures Unprecedented Images of Sunspots

Astronomers Confirm Nearby Binary White Dwarf System Destined for Type Ia Supernova

Study Reveals Sun May Be Overdue for a Rare and Powerful Superflare

New Study Confirms Einstein's Theory of General Relativity on Cosmic Scale

New Study Links Fast Radio Bursts to Massive Star-Forming Galaxies

GALAH Project Unveils Chemical Fingerprints of Nearly One Million Stars